[yocto] [meta-raspberrypi][PATCH V2] linux-raspberry.inc: add initramfs support

[Stéphane Cerveau]

append initramfs creation to install RPi bootloader trailer

Signed-off-by: Stéphane Cerveau <voxtok at voxtok.com>
---
 recipes-kernel/linux/linux-raspberrypi.inc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/recipes-kernel/linux/linux-raspberrypi.inc b/recipes-kernel/linux/linux-raspberrypi.inc
index 70e8bfe..74dbf19 100644
--- a/recipes-kernel/linux/linux-raspberrypi.inc
+++ b/recipes-kernel/linux/linux-raspberrypi.inc
@@ -64,4 +64,13 @@ do_rpiboot_mkimage() {
         fi
     fi
 }
+do_bundle_initramfs_append() {
+    if test "x${KERNEL_IMAGETYPE}" != "xuImage" ; then
+        if test -n "${KERNEL_DEVICETREE}"; then
+            # Add RPi bootloader trailer to kernel image to enable DeviceTree support
+            ${STAGING_DIR_NATIVE}/usr/lib/rpi-mkimage/mkknlimg --dtok ${KERNEL_OUTPUT}.initramfs ${KERNEL_OUTPUT}.initramfs
+        fi
+    fi
+}
+
 addtask rpiboot_mkimage before do_install after do_compile
-- 
2.1.4